Home / 3,518.12-4,855.58-2,025.78

Finding the Fourth Proportional to 3,518.12, 4,855.58 and 2,025.78

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Solution

The fourth proportional to 3,518.12, 4,855.58 and 2,025.78 is: 2,795.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.12 : 4,855.58 = 2,025.78 : x
  2. Step 2: Convert to fraction form
    3,518.12/4,855.58 = 2,025.78/x
  3. Step 3: Cross multiply
    3,518.12x = 4,855.58 × 2,025.78
  4. Step 4: Simplify right side
    3,518.12x = 9,836,365.63
  5. Step 5: Solve for x
    x = 9,836,365.63/3,518.12
  6. Step 6: Final answer
    x = 2,795.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.